git: 3b4c5433229a - main - sound: Remove CTLFLAG_NEEDGIANT from some sysctls.
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Date: Mon, 27 Dec 2021 01:39:36 UTC
The branch main has been updated by mav:
URL: https://cgit.FreeBSD.org/src/commit/?id=3b4c5433229ac912929b77edee0b4dc001d70fe5
commit 3b4c5433229ac912929b77edee0b4dc001d70fe5
Author: Alexander Motin <mav@FreeBSD.org>
AuthorDate: 2021-12-27 01:37:55 +0000
Commit: Alexander Motin <mav@FreeBSD.org>
CommitDate: 2021-12-27 01:39:32 +0000
sound: Remove CTLFLAG_NEEDGIANT from some sysctls.
While there, remove some dead code.
MFC after: 2 weeks
---
sys/dev/sound/clone.c | 101 ++--------------------------------------
sys/dev/sound/clone.h | 4 --
sys/dev/sound/pci/emu10kx.c | 4 +-
sys/dev/sound/pcm/channel.c | 6 +--
sys/dev/sound/pcm/feeder_rate.c | 6 +--
sys/dev/sound/pcm/sndstat.c | 2 +-
sys/dev/sound/pcm/sound.c | 8 ++--
7 files changed, 16 insertions(+), 115 deletions(-)
diff --git a/sys/dev/sound/clone.c b/sys/dev/sound/clone.c
index 3ded510eae5c..7d3148750a1e 100644
--- a/sys/dev/sound/clone.c
+++ b/sys/dev/sound/clone.c
@@ -99,71 +99,6 @@ struct snd_clone {
#define SND_CLONE_ASSERT(...) KASSERT(__VA_ARGS__)
#endif
-/*
- * Shamelessly ripped off from vfs_subr.c
- * We need at least 1/HZ precision as default timestamping.
- */
-enum { SND_TSP_SEC, SND_TSP_HZ, SND_TSP_USEC, SND_TSP_NSEC };
-
-static int snd_timestamp_precision = SND_TSP_HZ;
-TUNABLE_INT("hw.snd.timestamp_precision", &snd_timestamp_precision);
-
-void
-snd_timestamp(struct timespec *tsp)
-{
- struct timeval tv;
-
- switch (snd_timestamp_precision) {
- case SND_TSP_SEC:
- tsp->tv_sec = time_second;
- tsp->tv_nsec = 0;
- break;
- case SND_TSP_HZ:
- getnanouptime(tsp);
- break;
- case SND_TSP_USEC:
- microuptime(&tv);
- TIMEVAL_TO_TIMESPEC(&tv, tsp);
- break;
- case SND_TSP_NSEC:
- nanouptime(tsp);
- break;
- default:
- snd_timestamp_precision = SND_TSP_HZ;
- getnanouptime(tsp);
- break;
- }
-}
-
-#if defined(SND_DIAGNOSTIC) || defined(SND_DEBUG)
-static int
-sysctl_hw_snd_timestamp_precision(SYSCTL_HANDLER_ARGS)
-{
- int err, val;
-
- val = snd_timestamp_precision;
- err = sysctl_handle_int(oidp, &val, 0, req);
- if (err == 0 && req->newptr != NULL) {
- switch (val) {
- case SND_TSP_SEC:
- case SND_TSP_HZ:
- case SND_TSP_USEC:
- case SND_TSP_NSEC:
- snd_timestamp_precision = val;
- break;
- default:
- break;
- }
- }
-
- return (err);
-}
-SYSCTL_PROC(_hw_snd, OID_AUTO, timestamp_precision,
- CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, 0, sizeof(int),
- sysctl_hw_snd_timestamp_precision, "I",
- "timestamp precision (0=s 1=hz 2=us 3=ns)");
-#endif
-
/*
* snd_clone_create() : Return opaque allocated clone manager.
*/
@@ -189,7 +124,7 @@ snd_clone_create(int typemask, int maxunit, int deadline, uint32_t flags)
maxunit;
c->deadline = deadline;
c->flags = flags;
- snd_timestamp(&c->tsp);
+ getnanouptime(&c->tsp);
TAILQ_INIT(&c->head);
return (c);
@@ -296,17 +231,6 @@ snd_clone_setdeadline(struct snd_clone *c, int deadline)
return (c->deadline);
}
-int
-snd_clone_gettime(struct snd_clone *c, struct timespec *tsp)
-{
- SND_CLONE_ASSERT(c != NULL, ("NULL snd_clone"));
- SND_CLONE_ASSERT(tsp != NULL, ("NULL timespec"));
-
- *tsp = c->tsp;
-
- return (0);
-}
-
uint32_t
snd_clone_getflags(struct snd_clone *c)
{
@@ -327,25 +251,6 @@ snd_clone_setflags(struct snd_clone *c, uint32_t flags)
return (c->flags);
}
-int
-snd_clone_getdevtime(struct cdev *dev, struct timespec *tsp)
-{
- struct snd_clone_entry *ce;
-
- SND_CLONE_ASSERT(dev != NULL, ("NULL dev"));
- SND_CLONE_ASSERT(tsp != NULL, ("NULL timespec"));
-
- ce = dev->si_drv2;
- if (ce == NULL)
- return (ENODEV);
-
- SND_CLONE_ASSERT(ce->parent != NULL, ("NULL parent"));
-
- *tsp = ce->tsp;
-
- return (0);
-}
-
uint32_t
snd_clone_getdevflags(struct cdev *dev)
{
@@ -411,7 +316,7 @@ snd_clone_gc(struct snd_clone *c)
if (!(c->flags & SND_CLONE_GC_ENABLE) || c->size == 0)
return (0);
- snd_timestamp(&now);
+ getnanouptime(&now);
/*
* Bail out if the last clone handler was invoked below the deadline
@@ -642,7 +547,7 @@ snd_clone_alloc(struct snd_clone *c, struct cdev **dev, int *unit, int tmask)
allocunit = (*unit == -1) ? 0 : *unit;
curpid = curthread->td_proc->p_pid;
- snd_timestamp(&now);
+ getnanouptime(&now);
TAILQ_FOREACH(ce, &c->head, link) {
/*
diff --git a/sys/dev/sound/clone.h b/sys/dev/sound/clone.h
index 54b26e31c8b4..bcfa504ad003 100644
--- a/sys/dev/sound/clone.h
+++ b/sys/dev/sound/clone.h
@@ -99,8 +99,6 @@ struct snd_clone;
#define SND_CLONE_DEVMASK SND_CLONE_ALLOC
-void snd_timestamp(struct timespec *);
-
struct snd_clone *snd_clone_create(int, int, int, uint32_t);
int snd_clone_busy(struct snd_clone *);
int snd_clone_enable(struct snd_clone *);
@@ -110,10 +108,8 @@ int snd_clone_getmaxunit(struct snd_clone *);
int snd_clone_setmaxunit(struct snd_clone *, int);
int snd_clone_getdeadline(struct snd_clone *);
int snd_clone_setdeadline(struct snd_clone *, int);
-int snd_clone_gettime(struct snd_clone *, struct timespec *);
uint32_t snd_clone_getflags(struct snd_clone *);
uint32_t snd_clone_setflags(struct snd_clone *, uint32_t);
-int snd_clone_getdevtime(struct cdev *, struct timespec *);
uint32_t snd_clone_getdevflags(struct cdev *);
uint32_t snd_clone_setdevflags(struct cdev *, uint32_t);
int snd_clone_gc(struct snd_clone *);
diff --git a/sys/dev/sound/pci/emu10kx.c b/sys/dev/sound/pci/emu10kx.c
index 611af91de4d4..f40d60156a9c 100644
--- a/sys/dev/sound/pci/emu10kx.c
+++ b/sys/dev/sound/pci/emu10kx.c
@@ -1569,7 +1569,7 @@ emu_addefxmixer(struct emu_sc_info *sc, const char *mix_name, const int mix_id,
snprintf(sysctl_name, 32, "_%s", mix_name);
SYSCTL_ADD_PROC(sc->ctx,
SYSCTL_CHILDREN(sc->root), OID_AUTO, sysctl_name,
- CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, sc, mix_id,
+ CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, sc, mix_id,
sysctl_emu_mixer_control, "I", "");
}
@@ -1609,7 +1609,7 @@ emu_digitalswitch(struct emu_sc_info *sc)
{
/* XXX temporary? */
SYSCTL_ADD_PROC(sc->ctx, SYSCTL_CHILDREN(sc->root), OID_AUTO,
- "_digital", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT,
+ "_digital", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE,
sc, 0, sysctl_emu_digitalswitch_control, "I",
"Enable digital output");
diff --git a/sys/dev/sound/pcm/channel.c b/sys/dev/sound/pcm/channel.c
index 9574697f8656..065bf6ee2c5c 100644
--- a/sys/dev/sound/pcm/channel.c
+++ b/sys/dev/sound/pcm/channel.c
@@ -69,7 +69,7 @@ sysctl_hw_snd_latency(SYSCTL_HANDLER_ARGS)
return err;
}
SYSCTL_PROC(_hw_snd, OID_AUTO, latency,
- CTLTYPE_INT | CTLFLAG_RWTUN | CTLFLAG_NEEDGIANT, 0, sizeof(int),
+ CTLTYPE_INT | CTLFLAG_RWTUN | CTLFLAG_MPSAFE, 0, sizeof(int),
sysctl_hw_snd_latency, "I",
"buffering latency (0=low ... 10=high)");
@@ -92,7 +92,7 @@ sysctl_hw_snd_latency_profile(SYSCTL_HANDLER_ARGS)
return err;
}
SYSCTL_PROC(_hw_snd, OID_AUTO, latency_profile,
- CTLTYPE_INT | CTLFLAG_RWTUN | CTLFLAG_NEEDGIANT, 0, sizeof(int),
+ CTLTYPE_INT | CTLFLAG_RWTUN | CTLFLAG_MPSAFE, 0, sizeof(int),
sysctl_hw_snd_latency_profile, "I",
"buffering latency profile (0=aggressive 1=safe)");
@@ -115,7 +115,7 @@ sysctl_hw_snd_timeout(SYSCTL_HANDLER_ARGS)
return err;
}
SYSCTL_PROC(_hw_snd, OID_AUTO, timeout,
- CTLTYPE_INT | CTLFLAG_RWTUN | CTLFLAG_NEEDGIANT, 0, sizeof(int),
+ CTLTYPE_INT | CTLFLAG_RWTUN | CTLFLAG_MPSAFE, 0, sizeof(int),
sysctl_hw_snd_timeout, "I",
"interrupt timeout (1 - 10) seconds");
diff --git a/sys/dev/sound/pcm/feeder_rate.c b/sys/dev/sound/pcm/feeder_rate.c
index 88a58461b1ed..f6bb1836089b 100644
--- a/sys/dev/sound/pcm/feeder_rate.c
+++ b/sys/dev/sound/pcm/feeder_rate.c
@@ -186,7 +186,7 @@ sysctl_hw_snd_feeder_rate_min(SYSCTL_HANDLER_ARGS)
return (0);
}
SYSCTL_PROC(_hw_snd, OID_AUTO, feeder_rate_min,
- CTLTYPE_INT | CTLFLAG_RWTUN | CTLFLAG_NEEDGIANT, 0, sizeof(int),
+ CTLTYPE_INT | CTLFLAG_RWTUN | CTLFLAG_MPSAFE, 0, sizeof(int),
sysctl_hw_snd_feeder_rate_min, "I",
"minimum allowable rate");
@@ -209,7 +209,7 @@ sysctl_hw_snd_feeder_rate_max(SYSCTL_HANDLER_ARGS)
return (0);
}
SYSCTL_PROC(_hw_snd, OID_AUTO, feeder_rate_max,
- CTLTYPE_INT | CTLFLAG_RWTUN | CTLFLAG_NEEDGIANT, 0, sizeof(int),
+ CTLTYPE_INT | CTLFLAG_RWTUN | CTLFLAG_MPSAFE, 0, sizeof(int),
sysctl_hw_snd_feeder_rate_max, "I",
"maximum allowable rate");
@@ -232,7 +232,7 @@ sysctl_hw_snd_feeder_rate_round(SYSCTL_HANDLER_ARGS)
return (0);
}
SYSCTL_PROC(_hw_snd, OID_AUTO, feeder_rate_round,
- CTLTYPE_INT | CTLFLAG_RWTUN | CTLFLAG_NEEDGIANT, 0, sizeof(int),
+ CTLTYPE_INT | CTLFLAG_RWTUN | CTLFLAG_MPSAFE, 0, sizeof(int),
sysctl_hw_snd_feeder_rate_round, "I",
"sample rate converter rounding threshold");
diff --git a/sys/dev/sound/pcm/sndstat.c b/sys/dev/sound/pcm/sndstat.c
index ea36f4ba79ba..90cc345a73a6 100644
--- a/sys/dev/sound/pcm/sndstat.c
+++ b/sys/dev/sound/pcm/sndstat.c
@@ -142,7 +142,7 @@ sysctl_hw_sndverbose(SYSCTL_HANDLER_ARGS)
return (error);
}
SYSCTL_PROC(_hw_snd, OID_AUTO, verbose,
- CTLTYPE_INT | CTLFLAG_RWTUN | CTLFLAG_NEEDGIANT, 0, sizeof(int),
+ CTLTYPE_INT | CTLFLAG_RWTUN | CTLFLAG_MPSAFE, 0, sizeof(int),
sysctl_hw_sndverbose, "I",
"verbosity level");
diff --git a/sys/dev/sound/pcm/sound.c b/sys/dev/sound/pcm/sound.c
index 1560da40c9c2..4b55e798cb80 100644
--- a/sys/dev/sound/pcm/sound.c
+++ b/sys/dev/sound/pcm/sound.c
@@ -1045,7 +1045,7 @@ pcm_sysinit(device_t dev)
OID_AUTO, "buffersize", CTLFLAG_RD, &d->bufsz, 0, "allocated buffer size");
SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO,
- "bitperfect", CTLTYPE_INT | CTLFLAG_RWTUN | CTLFLAG_NEEDGIANT, d,
+ "bitperfect", CTLTYPE_INT | CTLFLAG_RWTUN | CTLFLAG_MPSAFE, d,
sizeof(d), sysctl_dev_pcm_bitperfect, "I",
"bit-perfect playback/recording (0=disable, 1=enable)");
SYSCTL_ADD_UINT(device_get_sysctl_ctx(dev),
@@ -1056,18 +1056,18 @@ pcm_sysinit(device_t dev)
#ifdef SND_DEBUG
SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO,
- "clone_flags", CTLTYPE_UINT | CTLFLAG_RWTUN | CTLFLAG_NEEDGIANT,
+ "clone_flags", CTLTYPE_UINT | CTLFLAG_RWTUN | CTLFLAG_MPSAFE,
d, sizeof(d), sysctl_dev_pcm_clone_flags, "IU",
"clone flags");
SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO,
- "clone_deadline", CTLTYPE_INT | CTLFLAG_RWTUN | CTLFLAG_NEEDGIANT,
+ "clone_deadline", CTLTYPE_INT | CTLFLAG_RWTUN | CTLFLAG_MPSAFE,
d, sizeof(d), sysctl_dev_pcm_clone_deadline, "I",
"clone expiration deadline (ms)");
SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO,
"clone_gc",
- CTLTYPE_INT | CTLFLAG_RWTUN | CTLFLAG_NEEDGIANT, d, sizeof(d),
+ CTLTYPE_INT | CTLFLAG_RWTUN | CTLFLAG_MPSAFE, d, sizeof(d),
sysctl_dev_pcm_clone_gc, "I", "clone garbage collector");
#endif
if (d->flags & SD_F_AUTOVCHAN)